Home / 99,314,820.20-148,972,230.30-87,977,412.20

Finding the Fourth Proportional to 99,314,820.20, 148,972,230.30 and 87,977,412.20

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Solution

The fourth proportional to 99,314,820.20, 148,972,230.30 and 87,977,412.20 is: 131,966,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,314,820.20 : 148,972,230.30 = 87,977,412.20 : x
  2. Step 2: Convert to fraction form
    99,314,820.20/148,972,230.30 = 87,977,412.20/x
  3. Step 3: Cross multiply
    99,314,820.20x = 148,972,230.30 × 87,977,412.20
  4. Step 4: Simplify right side
    99,314,820.20x = 13,106,191,311,456,432
  5. Step 5: Solve for x
    x = 13,106,191,311,456,432/99,314,820.20
  6. Step 6: Final answer
    x = 131,966,118.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.